Insulation That Starts On Center.
New-construction insulation for builders & contractors who value a job done right, from framing to final walkthrough. TEll US WHAT YOU’RE BUILDING. Need a price for an upcoming or existing Project? Share a few details & we’ll follow up to discuss the right scope for your build. RATHER TALK DIRECTLY? 📞 US OR CLICK ⤵️ TO
What We Do
Insulation Services
Attic Insulation
Blown-in or batt insulation tailored to new construction specs and existing home retrofits — done right the first time.
Spray Foam
The gold standard in air sealing and thermal control — ideal for new builds, commercial projects, and high-performance retrofits.
Wall Insulation
New construction framing or existing wall retrofits — we install the right product to meet code and exceed comfort expectations.
Crawl Space
Moisture control, vapor barriers, and insulation for residential and commercial crawl spaces — protecting the structure from the ground up.
Local Crew · Southern California
Why On Center
Built on Precision. Trusted by the Trade.
On Center Insulation works where the job demands it — new construction framing, commercial build-outs, and existing home retrofits. We're a crew that general contractors and builders call back because we show up on schedule, coordinate with other trades, and deliver clean, code-compliant installs every time. Homeowners trust us for the same reason.
- Preferred subcontractor for GCs and residential builders
- New construction, commercial, and retrofit experience
- Part of the Altadena rebuild — helping restore fire-affected homes
- Licensed, insured, and code-compliant on every project
Community Commitment
Proud to Be Part of the Altadena Rebuild
When the fires devastated Altadena, our community needed to rebuild — and we showed up. On Center Insulation has been an active part of the new construction effort, working alongside builders and contractors to help restore homes and give families a path back. It's not just work. It's personal.
Where We Work
Serving All of Southern California
From the coast to the desert, we cover the counties that matter most.
Los Angeles County
LA, Pasadena, Altadena, Long Beach, Burbank, Glendale, Beverly Hills, Calabasas, just to name a few.
Inland Empire
Riverside, San Bernardino, Ontario, Rancho Cucamonga, Summit Heights, Fontana, etc
Orange County
Anaheim, Irvine, Santa Ana, Huntington Beach, Laguna, Newport, etc.
San Diego County
San Diego, Chula Vista, Escondido, El Cajon, Carlsbad, La Jolla, Coronado, etc
Free Estimates
Ready to Get Started?
Whether you're a GC coordinating a new build, a developer on a commercial project, or a homeowner looking to cut energy costs — we'll give you a straight answer and a fair price.
(714) 605-4880